4420960401664 has 27 divisors (see below), whose sum is σ = 8824718579313. Its totient is φ = 2210463379968.

The previous prime is 4420960401661. The next prime is 4420960401673. The reversal of 4420960401664 is 4661040690244.

The square root of 4420960401664 is 2102608.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3994561849600 + 426398552064 = 1998640^2 + 652992^2 .

It is a super-2 number, since 2×4420960401664² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4420960401661) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 33576022 + ... + 33707434.

Almost surely, 2^{4420960401664} is an apocalyptic number.

4420960401664 is the 2102608-th square number.

It is an amenable number.

4420960401664 is a deficient number, since it is larger than the sum of its proper divisors (4403758177649).

4420960401664 is an frugal number, since it uses more digits than its factorization.

4420960401664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262842 (or 131415 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 4420960401664 in words is "four trillion, four hundred twenty billion, nine hundred sixty million, four hundred one thousand, six hundred sixty-four".